BMW bulletin B111025
What it saysCoolant is leaking from the oil filter housing. NHTSA’s full summary ↓
BMW filed this with NHTSA as a service bulletin dated Dec 12, 2025, received Jan 5, 2026, about the engine. It names 6 model years (2025). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationCoolant is leaking from the oil filter housing.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| B111025 | Service bulletin | Dec 12, 2025 | 11026946 | PDF, 705 KB |
What the document itself lists
Parts the bulletin names
| Part number | Description | Qty | Find it |
|---|---|---|---|
| 11 42 8 490 951 | Bush | 1 | eBay Motors → |
| 11 42 9 886 567 | Gasket set | 1 | eBay Motors → |
| 83 19 2 468 442 | Antifreeze/Coolant (DN = 1 Gallon Concentrate) - HT-12 As needed | — | eBay Motors → |
Read by machine from the document NHTSA serves (5 pages), read Sep 30, 2026. A part number is shown only where it matches BMW’s own catalogue shape, an operation only with its code and time, and a description only where the reader got it whole; anything it could not settle is left out, and the PDF is the record. Times are the manufacturer’s warranty allowances, not a quote. Listings and prices on eBay Motors are the seller’s.
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The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 6 model years this bulletin names have filed 60 complaints with NHTSA since 2015. 10 of them name Engine — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
On July 12, 2026, I received notice that my 2025 BMW X4 xDrive30i is subject to NHTSA Recall 26V-438 involving the engine starter. I contacted BMW of Austin on July 13 and again on July 27 to schedule the recall repair. On both occasions, I was informed that the remedy was unavailable. No estimated repair date was provided.
2025 BMW X4 · Engine · filed with NHTSA Aug 11, 2026 · ODI 11756165
My 2025 BMW X4 xDrive30i is subject to NHTSA recall 26V438, reported 07/08/2026, covering an engine starter that can wear prematurely and, in an extreme case, overheat and cause a fire. My BMW account shows the status as Remedy Not Available. NHTSA's VIN lookup confirms the recall is incomplete with no remedy available.
2025 BMW X4 · Engine · filed with NHTSA Aug 26, 2026 · ODI 11759605
JUL 08, 2026 |Recall Campaign No.26V-438 Engine Starter Status: Remedy Unavailable Last Updated: Oct 05, 2026 Safety risk and the company has no ETA. I am paying for an unsafe vehicle that could have a thermal event while the vehicle is running
2025 BMW Z4 · Engine · filed with NHTSA Oct 5, 2026 · ODI 11769095
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the engine
Source: same model, same component group35 other manufacturer communications filed against these BMW models under the same component group (engine), newest first. The eight newest are listed; the rest are on the BMW list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 0012870600 | Service campaign | Oct 10, 2026 | Due to an implementation error in various OBD diagnostics in the vehicle's control units, in very rare cases itmay happen that stored fault… |
| 1171901000 | Warranty extension | Sep 22, 2026 | The Exhaust Gas Recirculation (EGR) Cooler (with EGR Valve) and the Auxiliary Exhaust Gas Recirculation (EGR) Cooler limited warranty for de… |
| B121126 | Service bulletin | Sep 9, 2026 | Potential customer complaints with no fault codes stored / No MIL displayed. 1. “Rough idle after idling for a longer period of time” 2. “Ve… |
| 1613911200 | Warranty extension | Aug 3, 2026 | the NVLD modules limited warranty for defects in materials and/or workmanship has been extended to 15 years / 150,000 miles as determined fr… |
| B110426 | Service bulletin | Jul 17, 2026 | The manual starting of electronic engine oil level measurement from inside the vehicle, usually afterperforming an engine oil service task… |
| B063926 | Other | Jul 13, 2026 | Starter Generator Return |
| 0099020300 | Emissions | Jul 10, 2026 | Due to an implementation error in various OBD diagnostics in the vehicle's control units, in very rare cases itmay happen that stored fault… |
| 1390900300 | Warranty extension | Jun 29, 2026 | For this vehicle, the EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for BMW, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is BMW B111025 a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the B111025 repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way. Every BMW warranty extension on file lists the ones BMW has filed.
Which vehicles does B111025 cover?
The manufacturer filed it against 6 model years: 2025 BMW 3 Series, 2025 BMW 4 Series, 2025 BMW 5 Series, 2025 BMW X3, 2025 BMW X4, 2025 BMW Z4. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.